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Anything prior to 1000 BC belongs to Neolithic cultures.Thracians are identified at 1000 BC
John Boardman, I.E.S. Edwards, E. Sollberger, and N.G.L. Hammond. The Cambridge Ancient History, Volume 3, Part 1: The Prehistory of the Balkans, the Middle East and the Aegean World, Tenth to Eighth Centuries BC. Cambridge University Press, 1982, p. 53. "Yet we cannot identify the Thracians at that remote period, because we do not know for certain whether the Thracian and Illyrian tribes had separated by then. It is safer to speak of Proto-Thracians from whom there developed in the Iron Age..."
